Hi Aravinda, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Aravinda-Prasad/mm-damon-mm-infrastructure-support/20240318-212723 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20240318132848.82686-3-aravinda.prasad%40intel.com patch subject: [PATCH v2 2/3] mm/damon: profiling enhancement config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240319/202403190550.8chO4Zt4-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 8f68022f8e6e54d1aeae4ed301f5a015963089b7) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240319/202403190550.8chO4Zt4-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202403190550.8chO4Zt4-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from mm/damon/vaddr.c:10: In file included from include/linux/highmem.h:10: In file included from include/linux/mm.h:2194: include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from mm/damon/vaddr.c:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from mm/damon/vaddr.c:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from mm/damon/vaddr.c:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ >> mm/damon/vaddr.c:78:6: error: call to undeclared function 'pgtable_l5_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 78 | if (pgtable_l5_enabled()) { | ^ 7 warnings and 1 error generated. vim +/pgtable_l5_enabled +78 mm/damon/vaddr.c 54 55 /* Pick the highest possible page table profiling level for addr 56 * in the region defined by start and end 57 */ 58 static int pick_profile_level(unsigned long start, unsigned long end, 59 unsigned long addr) 60 { 61 /* Start with PTE and check if higher levels can be picked */ 62 int level = 0; 63 64 if (!arch_has_hw_nonleaf_pmd_young()) 65 return level; 66 67 /* Check if PMD or higher can be picked, else use PTE */ 68 if (pmd_addr_start(addr, (start) - 1) < start 69 || pmd_addr_end(addr, (end) + 1) > end) 70 return level; 71 72 level++; 73 /* Check if PUD or higher can be picked, else use PMD */ 74 if (pud_addr_start(addr, (start) - 1) < start 75 || pud_addr_end(addr, (end) + 1) > end) 76 return level; 77 > 78 if (pgtable_l5_enabled()) { 79 level++; 80 /* Check if P4D or higher can be picked, else use PUD */ 81 if (p4d_addr_start(addr, (start) - 1) < start 82 || p4d_addr_end(addr, (end) + 1) > end) 83 return level; 84 } 85 86 level++; 87 /* Check if PGD can be picked, else return PUD level */ 88 if (pgd_addr_start(addr, (start) - 1) < start 89 || pgd_addr_end(addr, (end) + 1) > end) 90 return level; 91 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
